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How to Monitor Energy usage and save cost
28-10-2009
With the cost of energy and power rising and power saving becoming an issue at the forefront of management minds the application of monitoring technologies comes to the fore. Since all enterprises are billed on their usage of power on a monthly basis through meter readings, the surprise comes at month end when the bill arrives and it is too late to manage anything. Many plants do monitor the bulk supply and even have check meters in place to verify the billing meter, however, getting access to the data on say an hourly basis can be problematic, and in addition, usage to key areas is unknown in many cases, and deemed to be an expensive exercise.
The issues are:
* No reporting to management for corrective action.
* Metering is done at bulk level (main feeders) and many enterprises have several bulk connections.
* Access to meter readings is difficult.
* Consolidation of data is difficult.
* Remote meters are difficult to reach with communications networks.
* No resolution, allocation or aggregation within the organisation of power consumption by area.
* High cost of implementing new systems.
* Large distributed organisations cannot easily consolidate the utilities bill over a group.
* Benchmarking plants with one another (how efficient are we?).
Omniflex has developed a system of Scaleable Telemetry Outstations for GSM cellular networks to support general packet radio service (GPRS) transmission of data from remote outstations that require monitoring. “The suitability of GSM networks has become a reality due to their coverage, reliability and low cost of ownership," comments Ian Loudon, Omniflex sales manager. “There is no infrastructure cost to consider as you have with in-house-based systems and you can extend your monitoring country-wide – in fact it is possible to use the technology outside the countries' borders too."
So how hard is it to implement?
* Electricity meters are relatively inexpensive – can be fitted by in-house electrical staff.
* Remote monitoring is relatively inexpensive – installed in a day.
What is in a system?
* Intelligent power meters for monitoring the power consumption parameters where plant areas require it.
* Data access points – modular programmable remote terminal units (RTUs) from 12 to 240 inputs and a serial communications port for interfacing to electricity meters.
* Web-based monitoring for access from anywhere by anyone (with access rights).
Features
* Realtime access to data via the Internet.
* Data on managements desk – e-mail or browse via Internet.
* Automated system reporting.
* Direct SMS to service personnel cellular phones with required acknowledgements or escalation to another phone occurs.
Omniflex Marketing Manager - Ian Loudon comments that “most enterprises suffer the same problems in identifying where the waste is happening and how to monitor it”. Managing your utilities bill is a huge concern to everyone but often is nobodys responsibility because identification and apportionment of usage is not allocated and responsibility is really best allocated to each area and cannot be effectively enforced because measurements are not in place. This not only applies to Electricity but water, air, gas and fuel are also part of the equation.
Omniflexs solution with the Web Based remote monitoring systems infrastructure integrates everything and puts data into the right hands and allows management to allocate responsibility and accountability by measuring and monitoring those resources, consolidating the information and automating the reporting process, automating the alarm notifications and empowering people to make and take decisions that saves the organization money at the end of the day.
Omniflex can integrate the system into Management ERP systems or down to SCADA systems where necessary. However generally speaking these systems are not manned 24/7/365 and thus the “alwa
For more information on How to Monitor Energy usage and save cost talk to Omniflex UK Limited
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